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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86-32, vdso: On system call restart after SYSENTER, use int $0x80
  x86, UV: Remove UV delay in starting slave cpus
  x86, olpc: Wait for last byte of EC command to be accepted
This commit is contained in:
Linus Torvalds 2011-08-23 18:09:08 -07:00
commit 14c62e78dc
3 changed files with 3 additions and 4 deletions
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1
arch/x86/kernel/apic/x2apic_uv_x.c
View file

@ -207,7 +207,6 @@ static int __cpuinit uv_wakeup_secondary(int phys_apicid, unsigned long start_ri
((start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) |
APIC_DM_INIT;
uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
mdelay(10);
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
(phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) |

4
arch/x86/platform/olpc/olpc.c
View file

@ -161,13 +161,13 @@ int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
if (inbuf && inlen) {
/* write data to EC */
for (i = 0; i < inlen; i++) {
pr_devel("olpc-ec: sending cmd arg 0x%x\n", inbuf[i]);
outb(inbuf[i], 0x68);
if (wait_on_ibf(0x6c, 0)) {
printk(KERN_ERR "olpc-ec: timeout waiting for"
" EC accept data!\n");
goto err;
}
pr_devel("olpc-ec: sending cmd arg 0x%x\n", inbuf[i]);
outb(inbuf[i], 0x68);
}
}
if (outbuf && outlen) {

2
arch/x86/vdso/vdso32/sysenter.S
View file

@ -43,7 +43,7 @@ __kernel_vsyscall:
.space 7,0x90
/* 14: System call restart point is here! (SYSENTER_RETURN-2) */
jmp .Lenter_kernel
int $0x80
/* 16: System call normal return point is here! */
VDSO32_SYSENTER_RETURN: /* Symbol used by sysenter.c via vdso32-syms.h */
pop %ebp